Touch screens, GPS chips, and accelerometers can be difficult to test since most desktops don't have them. The Chrome DevTools sensor emulators reduce the overhead of testing by emulating common mobile device sensors.

Users expect pages to be interactive and smooth. Each stage in the pixel pipeline represents an opportunity to introduce jank. Learn about tools and strategies to identify and fix common problems that slow down runtime performance.

Your job doesn't end with ensuring your site runs great across Chrome and Android. Even though Device Mode can simulate a range of other devices like iPhones, we encourage you to check out other browsers solutions for emulation.